Find the viscosity of the Newtonian liquid whose shear stress- shear rate curve is given in Fig. 2.33. 1, dyne /cm² 10 01 02 03 04 05 06 dwidt. 1/sec

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Sample Problem 2.7
Find the viscosity of the Newtonian liquid whose shear stress-
shear rate curve is given in Fig. 2.33.
t, dyne /em?
OFO 01
● 0.1 0.2 0.3 0.4
dv/dt. 1/sec
Figure 2.33 Figure for sample problem 2.7
Solution:
Since
dy/dt the slope of the curve given in Fig. 2.33
represents the viscosity.
Slope
30dyne/cm²
0.33/sec
90.9 poises.
Transcribed Image Text:Sample Problem 2.7 Find the viscosity of the Newtonian liquid whose shear stress- shear rate curve is given in Fig. 2.33. t, dyne /em? OFO 01 ● 0.1 0.2 0.3 0.4 dv/dt. 1/sec Figure 2.33 Figure for sample problem 2.7 Solution: Since dy/dt the slope of the curve given in Fig. 2.33 represents the viscosity. Slope 30dyne/cm² 0.33/sec 90.9 poises.
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